At present, it is the key period for cotton preparation and fertilization. It is necessary to fertilize the cotton formula and lay the foundation for high quality and high yield. Now the cotton fertilization technology is provided to the majority of cotton farmers for reference:
I. Emphasis on the application of farmyard manure The farmyard manure can improve the soil, fertilize the soil, and contain various nutrients needed for crops, which are needed for crop growth. It is nutritious, rich in organic matter, improves soil and improves fertilizer utilization. The effect is significant.
Second, the application of phosphorus fertilizer Phosphorus mobility in the soil is small, and the dissolution release is slow, not easily absorbed by the crop roots, so phosphate fertilizer should be applied as a base fertilizer. In production, the phosphate fertilizer is often mixed with the decomposed organic fertilizer. In order to prevent phosphorus from being fixed by the soil, the general application of concentrated phosphorus fertilizer is better.
Third, the application of potassium fertilizer Cotton from the emergence of the emergence of buds to absorb potassium accounted for about 24% of the total growth period of potassium, bud to flowering accounted for about 42%, flowering to maturity accounted for 34%. Therefore, potassium fertilizer should be applied or applied before the bud, in order to facilitate the early growth of cotton, focusing on the needs of bud, flower and bell growth and development. Potassium fertilizer is generally suitable for 10-15 kg per mu.
Fourth, the regulation of nitrogen ratio farmers long-term partial application of nitrogen fertilizer, resulting in the loss and waste of nitrogen nutrients, and the proportion of nitrogen, phosphorus, potassium is seriously imbalanced, according to different soil fertility, rational application of nitrogen fertilizer, regulate the relationship between nitrogen, phosphorus, potassium In order to effectively exert the potential of increasing the yield of fertilizers, it can achieve twice the result with half the effort.
5. Spraying boron fertilizer Sufficient boron can not only promote the development of flower organs, but also facilitate pollination and increase the seed setting rate. It can also accelerate the transportation of carbohydrates in plants, increase the weight of single peach and the rate of clothing. Therefore, in the bud stage of cotton, a borax solution of 0.2 at the initial flowering stage and full flowering stage has a certain promoting effect on the robust growth of cotton.
Author: Lei Chunxian
Source of information: Shaanxi Science and Technology News
I. Emphasis on the application of farmyard manure The farmyard manure can improve the soil, fertilize the soil, and contain various nutrients needed for crops, which are needed for crop growth. It is nutritious, rich in organic matter, improves soil and improves fertilizer utilization. The effect is significant.
Second, the application of phosphorus fertilizer Phosphorus mobility in the soil is small, and the dissolution release is slow, not easily absorbed by the crop roots, so phosphate fertilizer should be applied as a base fertilizer. In production, the phosphate fertilizer is often mixed with the decomposed organic fertilizer. In order to prevent phosphorus from being fixed by the soil, the general application of concentrated phosphorus fertilizer is better.
Third, the application of potassium fertilizer Cotton from the emergence of the emergence of buds to absorb potassium accounted for about 24% of the total growth period of potassium, bud to flowering accounted for about 42%, flowering to maturity accounted for 34%. Therefore, potassium fertilizer should be applied or applied before the bud, in order to facilitate the early growth of cotton, focusing on the needs of bud, flower and bell growth and development. Potassium fertilizer is generally suitable for 10-15 kg per mu.
Fourth, the regulation of nitrogen ratio farmers long-term partial application of nitrogen fertilizer, resulting in the loss and waste of nitrogen nutrients, and the proportion of nitrogen, phosphorus, potassium is seriously imbalanced, according to different soil fertility, rational application of nitrogen fertilizer, regulate the relationship between nitrogen, phosphorus, potassium In order to effectively exert the potential of increasing the yield of fertilizers, it can achieve twice the result with half the effort.
5. Spraying boron fertilizer Sufficient boron can not only promote the development of flower organs, but also facilitate pollination and increase the seed setting rate. It can also accelerate the transportation of carbohydrates in plants, increase the weight of single peach and the rate of clothing. Therefore, in the bud stage of cotton, a borax solution of 0.2 at the initial flowering stage and full flowering stage has a certain promoting effect on the robust growth of cotton.
Author: Lei Chunxian
Source of information: Shaanxi Science and Technology News
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